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Siemens’ partnership with Hanson grows

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World Cement,

Siemens’ growing partnership with Hanson is bringing the cement and aggregates specialist benefits in both energy savings and CO2 reduction at several of its UK sites.

Hanson is utilising Siemens’ integrated drive systems (IDS) and total engineered solutions to upgrade and improve a number of its existing UK operations, with fan and clinker cooler upgrades, and dewatering projects, amongst others. A large proportion of the upgrades have already taken place, with immediate efficiency improvements, at some of Hanson’s oldest and most established UK sites. IDS control systems and total engineered control solutions have been central to the successful upgrades, with actual results proving better than anticipated.

“By using our CS IDS solutions we’ve been able to produce returns on investments in as little as 14 months in some cases and significantly improve Hanson’s sustainability at the same time,” said Siemens application engineer Gary Palmer.

Hanson has made energy savings of 36% at its Purfleet site with a fan upgrade to one of its mills, also reducing CO2 emissions by 1487 t. At Ribblesdale, a kiln fan upgrade is making even greater savings, with an additional dewatering project protecting a nearby stream. At Ketton, a Siemens clinker cooler upgrade has paid for itself within 14 months and reduced CO2 emissions by over 770 t to date.

Martin Crow is senior sustainability manager at Hanson. He commented: “We have a challenging target to reduce carbon emissions by 10 per cent per ton by 2020 based on 2010 baseline data so energy efficiency is critical to our business. We continue to invest in new technology and we have recently achieved the ISO 50001 energy management standard to help drive further improvements.“

Adapted from press release by

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